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Finding the Fourth Proportional to 224,359.60, 336,532 and 91,204.08

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Solution

The fourth proportional to 224,359.60, 336,532 and 91,204.08 is: 136,803.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,359.60 : 336,532 = 91,204.08 : x
  2. Step 2: Convert to fraction form
    224,359.60/336,532 = 91,204.08/x
  3. Step 3: Cross multiply
    224,359.60x = 336,532 × 91,204.08
  4. Step 4: Simplify right side
    224,359.60x = 30,693,091,450.56
  5. Step 5: Solve for x
    x = 30,693,091,450.56/224,359.60
  6. Step 6: Final answer
    x = 136,803.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.